naturally produced organic alcohols. One of several chemical defense compounds in trees.
phenols (Wikipedia)
In organic chemistry, phenols, sometimes called phenolics, are a class of chemical compounds consisting of a hydroxyl group (—OH) bonded directly to an aromatic hydrocarbon group. The simplest of the class is phenol, C
6H
5OH. Phenolic compounds are classified as simple phenols or polyphenols based on the number of phenol units in the molecule.
Phenols are synthesized industrially as well as naturally.